diff options
| -rw-r--r-- | pkg/tcpip/buffer/prependable.go | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/pkg/tcpip/buffer/prependable.go b/pkg/tcpip/buffer/prependable.go index d2b26cf47..5af3ff114 100644 --- a/pkg/tcpip/buffer/prependable.go +++ b/pkg/tcpip/buffer/prependable.go @@ -32,6 +32,15 @@ func NewPrependable(size int) Prependable { return Prependable{buf: NewView(size), usedIdx: size} } +// NewPrependableFromView creates an entirely-used Prependable from a View. +// +// NewPrependableFromView takes ownership of v. Note that since the entire +// prependable is used, further attempts to call Prepend will note that size > +// p.usedIdx and return nil. +func NewPrependableFromView(v View) Prependable { + return Prependable{buf: v, usedIdx: 0} +} + // Prepend reserves the requested space in front of the buffer, returning a // slice that represents the reserved space. func (p *Prependable) Prepend(size int) []byte { |